Q. If a current of $10\ A$ flows in one second through a coil, and the induced e.m.f. is $10\ V$, then the self-inductance of the coil is
A) $\frac{2}{5}H$
B) $\frac{4}{5}H$
C) $\frac{5}{4}H$
D) $1\ H$
Explanation
(d) $|e| = L\frac{di}{dt} \Rightarrow 10 = L \times \frac{10}{1} \Rightarrow L = 1H$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.